South Dakota car sales tax calculator
The motor vehicle excise tax in South Dakota is 4.00% of the taxable amount.
sdlegislature.gov · checked Oct 3, 2026
By Mr. Voltage · Data checked Oct 3, 2026 · Page changed Oct 30, 2026
Where will you register the car?
Sioux Falls, Minnehaha County, South Dakota
Example quotes. Pick your place and type yours. Example: three quotes on one car in Harris County, South Dakota. Pick your own place and type your quotes.
Your deals at a glance
| Deal | Payment | All-in |
|---|---|---|
| $561.62a month | $38,697.08so far | |
| $507.36a month | $41,529.80so far | |
| $550.29a month | $38,017.39so far |
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
Your numbers stay in this browser.
$561.62 a month · 60 payments
All-in $38,697.08 so far
$507.36 a month · 72 payments
All-in $41,529.80 so far
$550.29 a month · 60 payments
All-in $38,017.39 so far
Out-the-door $34,120.00 so far
so far: not including a doc fee yet. Enter your dealer’s.
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
Out-the-door $34,842.80 so far
so far: not including a doc fee yet. Enter your dealer’s.
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
Out-the-door $34,692.00 so far
so far: not including a doc fee yet. Enter your dealer’s.
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
New · 2026 · Gas · change
New or used
The sheet starts with a new car; each deal sets its own
Model year
A new car is the current or next model year
Fuel
Gas car. A battery-electric car pays a $100 yearly fee; hybrids and plug-in hybrids pay none
Shipping weight
The research’s test car, a 2026 Tucson SEL, taken at 3,500 lb: $72 a year of registration and, in Minnehaha County, $16 of wheel tax. Both step up at 4,001 lb. The certificate of origin gives the shipping weight
First four letters of the last name
Optional. The state sets your renewal date by them, so they work out the first registration’s months. Without them, a full year shows. They stay on this device.
Doc fee stated on its own line
Dealers show the doc fee on its own line, which takes the state and city sales tax; one folded into the price is part of the 4% excise instead
New · 2026 · Gas · change
New or used
The sheet starts with a new car; each deal sets its own
Model year
A new car is the current or next model year
Fuel
Gas car. A battery-electric car pays a $100 yearly fee; hybrids and plug-in hybrids pay none
Shipping weight
The research’s test car, a 2026 Tucson SEL, taken at 3,500 lb: $72 a year of registration and, in Minnehaha County, $16 of wheel tax. Both step up at 4,001 lb. The certificate of origin gives the shipping weight
First four letters of the last name
Optional. The state sets your renewal date by them, so they work out the first registration’s months. Without them, a full year shows. They stay on this device.
Doc fee stated on its own line
Dealers show the doc fee on its own line, which takes the state and city sales tax; one folded into the price is part of the 4% excise instead
New · 2026 · Gas · change
New or used
The sheet starts with a new car; each deal sets its own
Model year
A new car is the current or next model year
Fuel
Gas car. A battery-electric car pays a $100 yearly fee; hybrids and plug-in hybrids pay none
Shipping weight
The research’s test car, a 2026 Tucson SEL, taken at 3,500 lb: $72 a year of registration and, in Minnehaha County, $16 of wheel tax. Both step up at 4,001 lb. The certificate of origin gives the shipping weight
First four letters of the last name
Optional. The state sets your renewal date by them, so they work out the first registration’s months. Without them, a full year shows. They stay on this device.
Doc fee stated on its own line
Dealers show the doc fee on its own line, which takes the state and city sales tax; one folded into the price is part of the 4% excise instead
South Dakota law sets no figure for this fee.
South Dakota calls it a documentary fee or document administration fee.
sdlegislature.gov · checked Oct 3, 2026
South Dakota law sets no figure for this fee.
South Dakota calls it a documentary fee or document administration fee.
sdlegislature.gov · checked Oct 3, 2026
South Dakota law sets no figure for this fee.
South Dakota calls it a documentary fee or document administration fee.
sdlegislature.gov · checked Oct 3, 2026
- No city or county tax on the car itself: the 4% excise stands in place of the sales tax, and the county’s wheel tax is a fee for the registration.
sdlegislature.gov · checked Oct 3, 2026
- No minimum or maximum excise tax. The one exception is no tax at all on a car 11 or more model years old that sells for $2,500 or less before any trade-in, which this calculator does not apply.
sdlegislature.gov · checked Oct 3, 2026
- No yearly property tax on a car: the excise and the registration fee are in place of it.
sdlegislature.gov · checked Oct 3, 2026
- No safety or emissions inspection fee for a car.
dor.sd.gov · checked Oct 3, 2026
- No charge for standard plates picked up at the county.
sdlegislature.gov · checked Oct 3, 2026
- No sales tax on GAP, which is exempt.
dor.sd.gov · checked Oct 3, 2026
- No city or county tax on the car itself: the 4% excise stands in place of the sales tax, and the county’s wheel tax is a fee for the registration.
sdlegislature.gov · checked Oct 3, 2026
- No minimum or maximum excise tax. The one exception is no tax at all on a car 11 or more model years old that sells for $2,500 or less before any trade-in, which this calculator does not apply.
sdlegislature.gov · checked Oct 3, 2026
- No yearly property tax on a car: the excise and the registration fee are in place of it.
sdlegislature.gov · checked Oct 3, 2026
- No safety or emissions inspection fee for a car.
dor.sd.gov · checked Oct 3, 2026
- No charge for standard plates picked up at the county.
sdlegislature.gov · checked Oct 3, 2026
- No sales tax on GAP, which is exempt.
dor.sd.gov · checked Oct 3, 2026
- No city or county tax on the car itself: the 4% excise stands in place of the sales tax, and the county’s wheel tax is a fee for the registration.
sdlegislature.gov · checked Oct 3, 2026
- No minimum or maximum excise tax. The one exception is no tax at all on a car 11 or more model years old that sells for $2,500 or less before any trade-in, which this calculator does not apply.
sdlegislature.gov · checked Oct 3, 2026
- No yearly property tax on a car: the excise and the registration fee are in place of it.
sdlegislature.gov · checked Oct 3, 2026
- No safety or emissions inspection fee for a car.
dor.sd.gov · checked Oct 3, 2026
- No charge for standard plates picked up at the county.
sdlegislature.gov · checked Oct 3, 2026
- No sales tax on GAP, which is exempt.
dor.sd.gov · checked Oct 3, 2026
Your $5,000.00 down covers the $1,420.00 in tax and fees first; $3,580.00 goes toward the price.
Your $5,000.00 down covers the $1,447.80 in tax and fees first; $3,552.20 goes toward the price.
Your $5,000.00 down covers the $1,442.00 in tax and fees first; $3,558.00 goes toward the price.
Illustrative rate, not a quote. Your APR depends on your credit, the term, the vehicle and the lender.
Illustrative rate, not a quote. Your APR depends on your credit, the term, the vehicle and the lender.
Illustrative rate, not a quote. Your APR depends on your credit, the term, the vehicle and the lender.
60 payments, last $561.50
72 payments, last $507.24
60 payments, last $550.28
cash down plus every payment
cash down plus every payment
cash down plus every payment
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
Estimate. Your dealer’s buyer’s order and your lender’s disclosures are the numbers that count. Check them against this.
6 charges this total leaves out
6 charges this total leaves out
6 charges this total leaves out
What’s different in South Dakota
South Dakota calls it the motor vehicle excise tax.
sdlegislature.gov · checked Oct 3, 2026
A trade-in comes off the amount taxed at its full value, so only the difference is taxed.
sdlegislature.gov · checked Oct 3, 2026
Negative equity rolled into the new loan is not taxed. That point is not confirmed.
sdlegislature.gov · checked Oct 3, 2026
South Dakota’s law sets no figure for the documentary fee or document administration fee.
sdlegislature.gov · checked Oct 3, 2026
How the doc fee is taxed depends on how it is written. Inside the vehicle price it pays the 4% excise; listed apart from the price it pays state and city sales tax instead, 6.2% in Sioux Falls.
dor.sd.gov · checked Oct 3, 2026
Worked examples
Each line below is worked by the same engine as the calculator, on the day this page was built (Nov 11, 2026).
A new car with a trade-in and negative equity
A new car at $32,700.00, with a trade-in allowed at $10,000.00 and $13,000.00 still owed, $5,000.00 down, financed at 5.90% for 60 months, bought from a dealer and registered in South Dakota’s example market.
| Line | Amount |
|---|---|
| Price | $32,700.00 |
| Trade-in allowance | $10,000.00 |
| Still owed on the trade-in | $13,000.00 |
| Equity (negative if you owe more than it is worth) | −$3,000.00 |
| Purchase price for the excise tax sdlegislature.gov · checked Oct 3, 2026 | $22,700.00 |
| South Dakota motor vehicle excise tax sdlegislature.gov · checked Oct 3, 2026 | $908.00 |
| Title fee sdlegislature.gov · checked Oct 3, 2026 | $10.00 |
| Lien fee sdlegislature.gov · checked Oct 3, 2026 | $10.00 |
| Registration fee (by shipping weight), for a full year sdlegislature.gov · checked Oct 3, 2026 | $72.00 |
| County wheel tax (2,001 to 4,000 lb), for a full year sdlegislature.gov · checked Oct 3, 2026 | $16.00 |
| Highway patrol fee sdlegislature.gov · checked Oct 3, 2026 | $1.00 |
| Solid waste management fee sdlegislature.gov · checked Oct 3, 2026 | $1.00 |
| Motor vehicle technology fee sdlegislature.gov · checked Oct 3, 2026 | $2.00 |
| Out-the-door price | $33,720.00 |
| Cash down | $5,000.00 |
| Amount financed | $31,720.00 |
| Monthly payment | $611.76 |
| Interest over the loan | $4,985.81 |
| Total paid, interest included | $41,705.81 |
A used car from a dealer
A used car, model year 2022, at $21,500.00, $5,000.00 down, financed at 5.90% for 60 months, bought from a dealer and registered in South Dakota’s example market.
| Line | Amount |
|---|---|
| Price | $21,500.00 |
| Purchase price for the excise tax sdlegislature.gov · checked Oct 3, 2026 | $21,500.00 |
| South Dakota motor vehicle excise tax sdlegislature.gov · checked Oct 3, 2026 | $860.00 |
| Title fee sdlegislature.gov · checked Oct 3, 2026 | $10.00 |
| Lien fee sdlegislature.gov · checked Oct 3, 2026 | $10.00 |
| Registration fee (by shipping weight), for a full year sdlegislature.gov · checked Oct 3, 2026 | $72.00 |
| County wheel tax (2,001 to 4,000 lb), for a full year sdlegislature.gov · checked Oct 3, 2026 | $16.00 |
| Highway patrol fee sdlegislature.gov · checked Oct 3, 2026 | $1.00 |
| Solid waste management fee sdlegislature.gov · checked Oct 3, 2026 | $1.00 |
| Motor vehicle technology fee sdlegislature.gov · checked Oct 3, 2026 | $2.00 |
| Out-the-door price | $22,472.00 |
| Cash down | $5,000.00 |
| Amount financed | $17,472.00 |
| Monthly payment | $336.97 |
| Interest over the loan | $2,746.26 |
| Total paid, interest included | $25,218.26 |
The rules in South Dakota
| Rule | What it says |
|---|---|
| Name of the tax | motor vehicle excise tax sdlegislature.gov · checked Oct 3, 2026 |
| South Dakota motor vehicle excise tax | 4.00% of the taxable amount sdlegislature.gov · checked Oct 3, 2026 |
| South Dakota sales tax on the doc fee | 4.20% of the amount it taxes dor.sd.gov · checked Oct 3, 2026 |
| City sales tax on the doc fee | a local rate set by the dealer’s place, on the amount it taxes dor.sd.gov · checked Oct 3, 2026 |
| What is taxed | Taxed: the vehicle price, other dealer fees on the order, accessories fitted before delivery, protection packages, loose items sold with the car, service contracts and prepaid maintenance. Not taxed: GAP and government fees. Depends on the deal: the doc fee. sdlegislature.gov · checked Oct 3, 2026 |
| Trade-in | A trade-in comes off the amount taxed at its full value, so only the difference is taxed. sdlegislature.gov · checked Oct 3, 2026 |
| Maker’s rebate | A maker’s rebate does not lower the amount taxed. That point is not confirmed. sdlegislature.gov · checked Oct 3, 2026 |
| Dealer discount | A dealer discount lowers the amount taxed. sdlegislature.gov · checked Oct 3, 2026 |
| Negative equity | Negative equity rolled into the loan is not taxed. That point is not confirmed. sdlegislature.gov · checked Oct 3, 2026 |
| Doc fee | The law sets no figure for the documentary fee or document administration fee. sdlegislature.gov · checked Oct 3, 2026 |
| Title fee | $10.00 sdlegislature.gov · checked Oct 3, 2026 |
| Registration fee (by shipping weight) | worked from the rule a year sdlegislature.gov · checked Oct 3, 2026 |
| County wheel tax | Set by the county where the car is registered, up to $5 a wheel. Minnehaha County: $4 a wheel for 2,001 to 6,000 lb and $5 over 6,000 lb, at most $60. sdlegislature.gov · checked Oct 3, 2026 |
| Private-party purchase | The tax is on the price in the bill of sale. Without a state bill of sale, it is on the retail value in a national dealers’ guide the state approves. sdlegislature.gov · checked Oct 3, 2026 |
| Older car exemption | No excise on a car 11 or more model years old sold for $2,500 or less before the trade-in. sdlegislature.gov · checked Oct 3, 2026 |
| Tax paid to another state | A credit for sales, use or excise tax paid to another state. The buyer pays the difference up to 4%. sdlegislature.gov · checked Oct 3, 2026 |
| New resident | No tax if tax of 4% or more was paid elsewhere; otherwise the difference. Title, registration, wheel tax and fees still apply. sdlegislature.gov · checked Oct 3, 2026 |
| Electric vehicle fee | $100 a year for a battery-electric car, since July 1, 2026. Plug-in hybrids and gas cars pay none. sdlegislature.gov · checked Oct 3, 2026 |
| Finance rate ceiling | No general cap on a dealer’s installment contract: the rate is as agreed. Non-bank lenders licensed under SDCL 54-4, including those that buy retail installment contracts, are capped at 36% a year. How that applies to a dealer’s contract once it is assigned is an inference. sdlegislature.gov · checked Oct 3, 2026 |
What has changed
· Tax lines: a new version takes effect.
sdlegislature.gov · checked Oct 3, 2026
· The rules on this page start here. Nothing earlier is loaded.
Questions people ask
What is South Dakota's motor vehicle excise tax?
South Dakota charges a 4% motor vehicle excise tax on the purchase price instead of sales tax. It replaces the state and city sales tax on the car, so Sioux Falls’ 2% city sales tax does not apply to the car itself. The purchase price is everything paid, less the trade-in allowance. Destination, dealer preparation, add-ons and a service contract sold with the car are in it; title and registration fees are not. You pay the tax yourself, to the county treasurer where you live, when you title the car, within 45 days. The dealer does not have to collect it. Interest runs after 45 days, and a penalty is added after 60 days. Since July 1, 2026 a dealer may file the title application through a state-approved provider, which collects the tax and fees for you.
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
dor.sd.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
Is there a limit on the South Dakota dealer doc fee?
We found no dollar limit in South Dakota law. The only statute that mentions the fee lets the cash price on a credit sale include “a documentary fee or document administration fee for services actually rendered” to the buyer. The dealer licensing rules set no amount. An advertised price may leave it out: the state’s rule reads an ad as the offering price plus taxes, license fees, documentary fees and registration costs. How the fee is taxed depends on how it is written. Inside the vehicle price, it pays the 4% excise. Listed apart from the price, it pays the 4.2% state sales tax plus the city’s rate, 2% in Sioux Falls, collected by the dealer. The state rate goes to 4.5% on July 1, 2027. A dealer filing your title through the new electronic system may also charge a fee for that service, with no amount set by law. Complaints go to the Division of Consumer Protection of the South Dakota Office of Attorney General.
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
dor.sd.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
consumer.sd.gov · checked Oct 14, 2026
Does a trade-in lower the South Dakota excise tax?
Yes, in full and with no dollar cap. The trade-in allowance comes off the price on new and used cars, from a dealer or a private seller. The trade-in must be titled in the same name as the new car. The credit is the allowance, not your equity, and the payoff added to the loan is not taxed if it is kept out of the vehicle price. No South Dakota source says this in words, so it is not confirmed. A manufacturer’s rebate does not lower the tax: the tax is on the total paid, and only a trade-in is deducted. That is also not confirmed as a stated rule. A dealer discount lowers the price, so it lowers the tax.
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
What is the South Dakota county wheel tax?
It is the only local charge on a car in South Dakota. Each county may set a wheel tax of up to $5 per wheel, and the total may not exceed $60 per vehicle. The rate depends on the car’s shipping weight. Minnehaha County charges $4 a wheel from 2,001 to 4,000 lb, so $16 for a car. In the part of Sioux Falls in Lincoln County it is $5 × 4 = $20. Five counties charge none: Harding, Hyde, Jones, McPherson and Oglala Lakota. You pay it at title transfer and with each yearly renewal, prorated by the month for a short registration. There is no yearly property tax on a car: the registration fees and the excise take its place.
sdlegislature.gov · checked Oct 3, 2026
dor.sd.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
I bought a car out of state. What do I pay in South Dakota?
A South Dakota resident pays the 4% excise to the home county treasurer within 45 days, less credit for sales, use or excise tax paid to the selling state. If the tax paid is the same or more, nothing is due, and there is no refund. Proof is a dealer affidavit, receipt or bill of sale showing the tax rate and amount. Minnehaha County asks for proof if you owned the car under 2 years, and does not accept a purchase agreement. A new resident owes nothing if tax of 4% or more was paid elsewhere, or the difference if less. With no proof, the tax is 4% of the car’s retail value on the day it entered the state. An owner without a South Dakota license or ID, or a physical South Dakota address, pays a $100 non-resident title fee.
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
What do title and registration cost in South Dakota?
Registration goes by the maker’s shipping weight: $36, $72, $108 or $144 a year for a car up to 2,000 lb, 2,001 to 4,000, 4,001 to 6,000 or over 6,000 lb. A car 10 or more model years old pays 70%. The title is $10, and each lien noted is $10. Registrations renew in a month set by the first letter of your last name, and a first registration is prorated by the month. Whether the month of the sale counts as a whole month is not confirmed. Standard plates picked up at the county cost nothing; plates mailed to you are $12 a set. Small fees add a $1 highway patrol fee, a $1 solid waste fee and a $2 technology fee. Whether a new title and registration count as one technology-fee transaction or two is not confirmed. A battery-electric car pays $100 a year; plug-in hybrids and gas cars do not.
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026
sdlegislature.gov · checked Oct 3, 2026